import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
Vue.use(VueRouter)

const routes = [{
        path: '/',
        redirect: '/login'
    },
    {
        path: '/login',
        component: Login
    },
    {
        path: '/home',
        component: Home,
        redirect: '/welcome',
        children: [
            { path: '/welcome', component: Welcome },
            { path: '/users', component: Users },
            { path: '/rights', component: Rights },
            { path: '/roles', component: Roles }
        ]
    }
]

const router = new VueRouter({
    routes
})
router.beforeEach((to, from, next) => {
    //to 将要访问的页面
    //from 代表从哪个路径跳转而来
    // next 放行函数     next（'/login'）强制跳转到login
    if (to.path == '/login') return next();
    //获取TOKEN
    const tokenstr = window.sessionStorage.getItem("token");
    if (!tokenstr) return next('/login')
    next()
})
export default router